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        <title>Document</title>
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        <!-- 标签+tab 快速生成标签 -->
        <!-- h1-h6：标题标签（白色区域） -->
        <h1 title="aaa1111">一级标题</h1>
        <h2>二级标题</h2>
        <h3>三级标题</h3>
        <h4>四级标题</h4>
        <h5>五级标题</h5>
        <h6>六级标题</h6>

       <!--快捷操作： h${1111}*5   h1-h5 内容都是111 -->


       <!-- p:段落标签 -->
       <!-- lorem+tab 快速生成一段英文内容 -->
       <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ipsam, excepturi tempora quasi sint nam facere debitis amet molestias esse quas beatae perferendis. Odit facere facilis ad, repellendus iusto minus laborum!</p>
       <hr>
       <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ipsam, excepturi tempora quasi sint nam facere debitis amet molestias esse quas beatae perferendis. Odit facere facilis ad, repellendus iusto minus laborum!</p>
       <hr>
       <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ipsam, excepturi tempora quasi sint nam facere debitis amet molestias esse quas beatae perferendis. Odit facere facilis ad, repellendus iusto minus laborum!</p>

       <!-- hr：单标签  水平分割线 -->
       <hr>
       <!-- br：单标签  换行 -->
       111<br>222<br>333<br>444
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